F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 47/02 (2006.01) F16K 5/06 (2006.01) F16K 47/04 (2006.01)
Patent
CA 2115823
A rotary valve noise attenuator with a rotary ball control element and a noise attenuator member mounted in the ball having multiple, elongated, substantially enclosed channels formed across the valve opening to split the flow stream into several smaller flow streams. The channel walls are perforated so each smaller flow stream is further dispersed and diffused into many minute flow streams after entering the channel. A noise attenuator constructed of several corrugated sections fixed crest to crest to form several diamond shaped channels across the valve opening each having four side walls with holes.
Fagerlund Allen C.
Gethmann Douglas P.
Kuhlman Charles R.
Smith Ronnie L.
Thomas Alan Dale
Fisher Controls International Inc.
Fisher Controls International Llc
Ridout & Maybee Llp
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